CN105551533A - Rod position processing device for control rods in reactor - Google Patents
Rod position processing device for control rods in reactor Download PDFInfo
- Publication number
- CN105551533A CN105551533A CN201610038833.6A CN201610038833A CN105551533A CN 105551533 A CN105551533 A CN 105551533A CN 201610038833 A CN201610038833 A CN 201610038833A CN 105551533 A CN105551533 A CN 105551533A
- Authority
- CN
- China
- Prior art keywords
- controller
- remote interface
- reactor
- communication module
- code signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
- G21C7/12—Means for moving control elements to desired position
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a rod position processing device for control rods in a reactor, which is used in a pressurized water reactor nuclear power plant. The rod position processing device comprises remote interfaces, controllers and a power module, wherein the remote interfaces are connected with a rod position detection device; the rod position detection device is used for detecting the rod positions of all the control rods in the reactor to output corresponding grey code signals; the remote interfaces simultaneously acquire the grey code signals of all the control rods in a reactor core; the controllers are connected with the remote interfaces and perform measured rod position calculation, rod position out-of-step monitoring and system status monitoring according to the grey code signals; the power module supplies power to the remote interfaces and the controllers. Compared with the prior art, the rod position processing device has the benefit that the remote interfaces can simultaneously acquire the grey code signals of all the control rods in the reactor core, so that the acquisition cycle of rod position information is greatly reduced, and the product performance is improved.
Description
Technical field
The present invention relates to a kind of nuclear power field, particularly relate to the reactor control bar position process of kilowatt pressurized water reactor nuclear power station.
Background technology
Open in heap, power transfer and shutdown process at nuclear power station, by controlling the lifting of control rod, insertion and maintenance campaign, thus the reactivity of control reactor, ensure that reactor always works in slave mode.According to the diverse location of control rod in reactor core and function, usually control rod is divided into groups (as temperature rod group, power rod group, shut-down rod group etc.), 4 control rods in same subgroup are arranged symmetrically with in reactor core (control rod at reactor core center is separately 1 subgroup), and operationally link.
The lifting of control rod, insertion and maintenance campaign are realized by control rod drive mechanisms (CRD) (solenoid, CRDM), and control rod drive mechanisms (CRD) is connected with control rod by actuated lever assemblies.The pressurized-water reactor nuclear power plant that China, France, the U.S. run, control rod drive mechanisms (CRD) generally adopts stepwise magnetic force hoisting type, and its coil block generally comprises 3 solenoids, that is: promote coil, moving coil, holding coil.The solenoid of coil block and the yoke iron core member corresponding with hook assembly constitute 3 " electromagnet ", are " lifting electromagnet ", " Mobile electromagnetic iron " and " maintenance electromagnet " from top to bottom respectively.Its effect is as follows: promote coil excitation, make lift armature adhesive, drive mobile hook to promote a step pitch; Degaussing makes lift armature open, and drives mobile hook to reset.Moving coil is excitatory, and make mobile armature adhesive, drivening rod moves up, and makes mobile hook swing in driving stem ring groove, engages with driving stem annular tooth; Degaussing makes mobile armature open, and drivening rod declines, and makes mobile hook show driving stem ring groove, departs from engage with driving stem annular tooth.Holding coil is excitatory, and make holding armature adhesive, drivening rod moves up, and makes maintenance hook swing in driving stem ring groove, engages with driving stem annular tooth; Degaussing makes holding armature open, and drivening rod declines, and makes maintenance hook show driving stem ring groove, departs from engage with driving stem annular tooth.
So, reactor control bar position treating apparatus (process cabinet) is needed to obtain the excellent position information of excellent position sniffer detection, process, monitor this excellent position information, and the excellent position information after process is sent to reactor control rod motion control device (logic cabinet), logic cabinet generates corresponding rod control order and rod is controlled order and is delivered to reactor control rod control device (power cabinet), reactor control rod control device is connected with the solenoid in control rod drive mechanisms (CRD), the drive current of corresponding solenoid is generated according to corresponding rod control order, thus drive corresponding solenoid action, reactor control rod makes rising, decline and keep action.But existing reactor control bar position treating apparatus, when acquisition rod position information, adopts 20 I/O passages to carry out acquisition time to 16 sub-group selection signals, each Golay code signal gathering a subgroup control rod, collection period is long.On the other hand, in the prior art, process cabinet needs connection engineering machine, and this project machine is used for man-machine interaction, excellent position condition monitoring, excellent position failure monitoring and data record.Logic cabinet needs to connect another engineering machine, and this project machine is used for man-machine interaction, rod control condition monitoring, the monitoring of excellent controlling fault and data record, and maintainer needs to operate respectively on two engineering machines, monitor whole system, uses inconvenience.
Summary of the invention
The object of this invention is to provide a kind of reactor control bar position treating apparatus, this reactor control bar position treating apparatus effectively reduces the collection period of excellent position information, improves the performance of product.
In order to realize there is object, the invention discloses a kind of reactor control bar position treating apparatus, comprise remote interface, controller and power module, described remote interface is connected with excellent position sniffer, rod position sniffer is used for the excellent position of each control rod in detection reaction heap to export corresponding Golay code signal, and described remote interface gathers the Golay code signal of each control rod of reactor core simultaneously simultaneously; Described controller is connected with described remote interface, and carries out the collection calculating of measuring stick position, the supervision of excellent position step-out and system status monitoring according to described Golay code signal; Described in described electric power source pair of module, remote interface and controller are powered.
Compared with prior art, remote interface of the present invention gathers the Golay code signal of each control rod of reactor core simultaneously, namely the Golay code signal of whole 61 control rods of full acquisition mode collection is adopted, process required time is only 1/16 of the mode of above-mentioned existing product employing acquisition time, greatly reduce the collection period of excellent position information, improve the performance of product.
Preferably, described remote interface comprises the first remote interface, second remote interface, 3rd remote interface and the 4th remote interface, the Golay code signal of the control rod of described first remote interface acquisition process reactor core each control rod of first quartile and reactor core middle, the Golay code signal of each control rod of described second remote interface acquisition process reactor core second quadrant, the Golay code signal of each control rod of described 3rd remote interface acquisition process reactor core third quadrant, the Golay code signal of each control rod of described 4th remote interface acquisition process reactor core fourth quadrant.
Preferably, described remote interface has two groups, remote interface redundant interface each other described in two groups, synchronous acquisition, processes each group Golay code signal of described reactor in-core.The program effectively improves system availability, reduces reactor core potential safety hazard.
Preferably, described controller has two redundant manipulators each other, arbitrary controller is master controller, another controller is from controller, described Golay code signal is delivered in controller described in two by described remote interface simultaneously, the frame of described controller is provided with redundancy communication module, described redundancy communication module realizes the redundant synchronization described in two between controller, in the present invention, two controllers synchronously process monitor data, can when a controller failure, the still even running of another controller, eliminates safe hidden trouble.
Particularly, described controller comprises control module and communication module, described control module is carried out measuring stick position according to described Golay code signal and is gathered calculating, the supervision of excellent position step-out and system status monitoring, in described communication module realization response heap control rod rod position processing device each frame and outside logic cabinet in communication between each frame, realize the communication between controller and engineering machine and Distributed Control System (DCS).
More specifically, described communication module comprises Controling network communication module, ethernet communication module and redundancy communication module, described Controling network communication module realizes the communication in outside logic cabinet in each frame and reactor control bar position treating apparatus between each frame, described ethernet communication module realizes the communication of the Ethernet/IP agreement between controller and engineering machine and Distributed Control System (DCS), and described redundancy communication module realizes the redundant synchronization described in two between controller.
Preferably, described power module is powered to the controller of correspondence and remote interface by array voltage transformation module, and often organize the voltage transitions plug-in unit that voltage transformation module comprises two redundancies each other, described power module is powered to the controller of correspondence and remote interface by arbitrary voltage transitions plug-in unit, and is powered to the controller of correspondence and remote interface by another Power convert plug-in unit when this Power convert plug-in unit fault.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the treating apparatus of reactor control bar position described in first embodiment of the invention.
Fig. 2 is the part-structure block diagram of the treating apparatus of reactor control bar position described in second embodiment of the invention.
Fig. 3 is the part-structure block diagram of the treating apparatus of reactor control bar position described in third embodiment of the invention.
Fig. 4 is the connection diagram of Controling network communication module of the present invention.
Fig. 5 is the connection diagram of ethernet communication module of the present invention.
Fig. 6 is the structural representation of power module of the present invention.
Fig. 7 is the structured flowchart of reactor control bar control of the present invention rod position system.
Embodiment
By describing technology contents of the present invention, structural attitude in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
The invention discloses a kind of reactor control bar position treating apparatus 100, described reactor control bar position treating apparatus 100 comprises remote interface 12, controller 11 and power module 13, described remote interface 12 is connected with excellent position sniffer 15, for the Golay code signal that acquisition rod position sniffer 15 exports, the Golay code signal of described remote interface 12 pairs of each control rods of reactor core gathers simultaneously; Described controller is connected with described remote interface, and carries out the collection calculating of measuring stick position, the supervision of excellent position step-out and system status monitoring according to described Golay code signal; Described power module 13 is powered to described remote interface 12 and controller 11.In the present embodiment, 61 control rods of described remote interface 12 pairs of reactor in-cores carry out the collection of excellent position.In the present embodiment, whether the Golay code signal that described system status monitoring comprises monitoring collection breaks down, omits, and carries out self-inspection to whole reactor control bar position treating apparatus 100.
Compared with prior art, the present invention adopts the Golay code signal of whole 61 control rods of full acquisition mode collection, and the processing time is only 1/16 of the mode of existing product employing acquisition time, greatly reduces the collection period of excellent position information, improves the performance of product.Wherein, 61 control rods comprise 15 of first quartile, 15 of the second quadrant, 15 of third quadrant, 15 of fourth quadrant and 1 of reactor core middle.Wherein, controller according to described Golay code signal carry out measuring stick position gather calculate, excellent position step-out monitor and the concrete steps of system status monitoring for ability is with known to technician, do not described in detail at this.
With reference to figure 2, described remote interface 12 comprises the first remote interface 21, second remote interface 22, 3rd remote interface 23 and the 4th remote interface 24, the Golay code signal of 1 control rod of described first remote interface 21 acquisition process reactor core first quartile 15 control rods and reactor core middle, the Golay code signal of each control rod of described second remote interface 22 acquisition process reactor core second quadrant, the Golay code signal of each control rod of described 3rd remote interface 23 acquisition process reactor core third quadrant, the Golay code signal of each control rod of the 4th remote interface 24 acquisition process reactor core fourth quadrant.
Preferably, with reference to figure 3, described remote interface 12 has two groups, remote interface 12 redundant interface each other described in two groups, synchronous acquisition, processes each Golay code signal of described reactor in-core.The program effectively improves system availability, reduces reactor core potential safety hazard.
Preferably, with reference to figure 3, described controller 11 has two redundant manipulators each other, arbitrary controller is master controller, another controller is from controller, described Golay code signal is delivered in controller 11 described in two by described remote interface 12 simultaneously, the frame (controller frame) of described controller 11 is provided with redundancy communication module 31, described redundancy communication module 31 realizes the redundant synchronization described in two between controller 11, in the present invention, two controllers synchronously process monitor data, can when controller 11 fault, another controller 11 still even running, eliminate safe hidden trouble.
Particularly, described controller 11 comprises control module 30 and communication module (31,32,33), described control module 30 is carried out measuring stick position according to described Golay code signal and is gathered calculating, the supervision of excellent position step-out and system status monitoring, in described communication module realization response heap control rod rod position processing device each frame and outside logic cabinet in communication between each frame, realize the communication between controller and engineering machine and Distributed Control System (DCS).Wherein, in the present embodiment, described reactor control bar position treating apparatus 100 comprise the controller frame of control module 30 in two installing controllers 11 and part communication module (31,32,33) altogether and eight install eight remote interface (two groups of remote interfaces 12 respectively, each remote interface 12 comprises 4 remote interfaces: the first remote interface 21, second remote interface 22, the 3rd remote interface 23 and the 4th remote interface 24) long-range frame, wherein, two controller frames redundancy each other, two groups corresponding in eight long-range frames redundancies each other.
With reference to figure 4, described communication module comprises Controling network communication module 32, ethernet communication module 33 and redundancy communication module 31, described Controling network communication module 32 realizes the communication in outside logic cabinet 16 in each frame and reactor control bar position treating apparatus 100 between each frame, the each frame of logic cabinet 16 and each frame of reactor control bar position treating apparatus 100 are equipped with Controling network communication module 32, according to needing to realize the communication between each frame of logic cabinet 16 and each frame of reactor control bar position treating apparatus, signal annexation between each frame of logic cabinet and each frame of reactor control bar position treating apparatus 100 is general knowledge known in this field, just do not described in detail at this.With reference to figure 5, described ethernet communication module 33 realizes the communication of the Ethernet/IP agreement between controller 11 and engineering machine 14 and Distributed Control System (DCS) 17, described ethernet communication module 33 realizes the communication between controller 11 and Distributed Control System (DCS) 17, realizes the communication between engineering machine 14 and Distributed Control System (DCS) 17.Described redundancy communication module 31 realizes the redundant synchronization described in two between controller 11.
Wherein, the present invention has two network switchs, two network switchs redundancy each other, for the communication interface between control module 30, engineering machine 14, Distributed Control System (DCS) 17, wherein, interface between two network switchs and Distributed Control System (DCS) 17 comprises safe level interface and non-security level interface, makes any network switch fault not affect communication between reactor control bar position treating apparatus 100 and Distributed Control System (DCS) 17.
Preferably, with reference to figure 6, described power module 13 is powered to the controller 11 of correspondence and remote interface 12 by array voltage transformation module 41, and often organize the voltage transitions plug-in unit 411,412 that voltage transformation module 41 comprises two redundancies each other, described power module 41 is powered to the controller 11 of correspondence and remote interface 12 by arbitrary voltage transitions plug-in unit 411, and is powered to the controller 11 of correspondence and remote interface 12 by another Power convert plug-in unit 412 when this Power convert plug-in unit 411 fault.Wherein, described controller 11 is connected with engineering machine 12 by I/O interface 18, described power module 41 is also powered to described I/O interface 18 by one group of voltage transformation module 41, and arbitrary voltage transitions plug-in unit 411 is powered to described I/O interface 1 in this group voltage transformation module 41, and described I/O interface 18 is powered by another Power convert plug-in unit 412 when this Power convert plug-in unit 411 fault.
Particularly, continue with reference to figure 6, on each branch road of feed circuit, the power supply branch road at especially each voltage transitions plug-in unit 411 place is all in series with a pilot lamp, be used to indicate the work of the voltage transitions plug-in unit 411 of redundancy each other of two in described power module, be convenient to maintainer's maintenance.
With reference to figure 7, the invention also discloses a kind of reactor control bar control rod position system 300, comprise reactor control bar position treating apparatus 100, reactor control rod motion control device 200 and engineering machine 14, described reactor control bar position treating apparatus 100 is as implied above, described engineering machine 14 is connected with reactor control rod motion control device 200 (logic cabinet) with reactor control bar position treating apparatus 100 respectively, for man-machine interaction, rod control condition monitoring, excellent position condition monitoring, the monitoring of excellent controlling fault, excellent position failure monitoring and data record.Compared with prior art, industrial computer of the present invention can carry out condition monitoring and the failure monitoring of reactor control bar position treating apparatus and reactor control rod motion control device, and convenient for maintaining personnel are to the control of whole system situation.Wherein, carry out rod control condition monitoring, excellent position condition monitoring, the monitoring of excellent controlling fault, excellent position failure monitoring and data record detailed process known to those skilled in the art, do not described in detail at this.
Wherein, described engineering machine 14 comprises operation keyboard, display screen, mouse and processing module.The operational order of described operation keyboard and mouse input outside, described display screen display status signal and failure alarm signal, the operational order after process is also delivered to the controller of reactor control bar position treating apparatus 100 and reactor control rod motion control device 200 by operational order described in processing module process.
Above disclosedly be only the preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.
Claims (7)
1. a reactor control bar position treating apparatus, is characterized in that, comprising:
Remote interface, is connected with excellent position sniffer, and excellent position sniffer is used for the excellent position of each control rod in detection reaction heap to export corresponding Golay code signal, and described remote interface gathers the Golay code signal of each control rod of reactor core simultaneously simultaneously;
Controller, is connected with described remote interface, and carries out the collection calculating of measuring stick position, the supervision of excellent position step-out and system status monitoring according to described Golay code signal;
Power module, powers to described remote interface and controller.
2. reactor control bar position treating apparatus as claimed in claim 1, it is characterized in that, described remote interface comprises the first remote interface, second remote interface, 3rd remote interface and the 4th remote interface, the Golay code signal of the control rod of described first remote interface acquisition process reactor core each control rod of first quartile and reactor core middle, the Golay code signal of each control rod of described second remote interface acquisition process reactor core second quadrant, the Golay code signal of each control rod of described 3rd remote interface acquisition process reactor core third quadrant, the Golay code signal of each control rod of described 4th remote interface acquisition process reactor core fourth quadrant.
3. reactor control bar position treating apparatus as claimed in claim 1, it is characterized in that, described remote interface has two groups, remote interface redundant interface each other described in two groups, synchronous acquisition, processes each group Golay code signal of described reactor in-core.
4. reactor control bar position treating apparatus as claimed in claim 1, it is characterized in that, described controller has two redundant manipulators each other, arbitrary controller is master controller, another controller is from controller, described Golay code signal is delivered in controller described in two by described remote interface simultaneously, and the frame of described controller is provided with redundancy communication module, and described redundancy communication module realizes the redundant synchronization described in two between controller.
5. reactor control bar position treating apparatus as claimed in claim 4, it is characterized in that, described controller comprises control module and communication module, described control module is carried out measuring stick position according to described Golay code signal and is gathered calculating, the supervision of excellent position step-out and system status monitoring, in described communication module realization response heap control rod rod position processing device each frame and outside logic cabinet in communication between each frame, realize controller, communication between engineering machine and Distributed Control System (DCS).
6. reactor control bar position treating apparatus as claimed in claim 5, it is characterized in that, described communication module comprises Controling network communication module, ethernet communication module and redundancy communication module, described Controling network communication module realizes the communication in outside logic cabinet in each frame and reactor control bar position treating apparatus between each frame, described ethernet communication module realizes the communication with the Ethernet/IP agreement between Distributed Control System (DCS) of controller and engineering machine, and described redundancy communication module realizes the redundant synchronization described in two between controller.
7. reactor control bar position treating apparatus as claimed in claim 1, it is characterized in that, described power module is powered to the controller of correspondence and remote interface by array voltage transformation module, and often organize the voltage transitions plug-in unit that voltage transformation module comprises two redundancies each other, described power module is powered to the controller of correspondence and remote interface by arbitrary voltage transitions plug-in unit, and is powered to the controller of correspondence and remote interface by another Power convert plug-in unit when this Power convert plug-in unit fault.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610038833.6A CN105551533B (en) | 2016-01-20 | 2016-01-20 | Reactor control bar position processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610038833.6A CN105551533B (en) | 2016-01-20 | 2016-01-20 | Reactor control bar position processing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105551533A true CN105551533A (en) | 2016-05-04 |
| CN105551533B CN105551533B (en) | 2018-02-02 |
Family
ID=55830673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610038833.6A Active CN105551533B (en) | 2016-01-20 | 2016-01-20 | Reactor control bar position processing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105551533B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979625A (en) * | 2019-03-28 | 2019-07-05 | 江苏核电有限公司 | A kind of test method measuring reactor core multiplication characteristic symmetry |
| CN112509718A (en) * | 2020-11-30 | 2021-03-16 | 福建福清核电有限公司 | Gray code processing clamping piece threshold setting device and method for nuclear power station rod position system |
| CN114038584A (en) * | 2021-09-26 | 2022-02-11 | 中广核研究院有限公司 | Reactor control system, control rod resetting system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306505A (en) * | 2011-08-18 | 2012-01-04 | 中国核电工程有限公司 | Operation-jamming resisting control rod driving rod unlocking apparatus |
| WO2012027128A1 (en) * | 2010-08-24 | 2012-03-01 | Babcock & Wilcox Nuclear Energy, Inc. | Terminal elements for coupling connecting rods and control rods in control rod assemblies for a nuclear reactor |
| CN205751536U (en) * | 2016-01-20 | 2016-11-30 | 中广核研究院有限公司 | Reactor control bar position processing means |
-
2016
- 2016-01-20 CN CN201610038833.6A patent/CN105551533B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012027128A1 (en) * | 2010-08-24 | 2012-03-01 | Babcock & Wilcox Nuclear Energy, Inc. | Terminal elements for coupling connecting rods and control rods in control rod assemblies for a nuclear reactor |
| CN102306505A (en) * | 2011-08-18 | 2012-01-04 | 中国核电工程有限公司 | Operation-jamming resisting control rod driving rod unlocking apparatus |
| CN205751536U (en) * | 2016-01-20 | 2016-11-30 | 中广核研究院有限公司 | Reactor control bar position processing means |
Non-Patent Citations (2)
| Title |
|---|
| 周鹤良: "《电气工程师手册》", 30 April 2008 * |
| 李艺等: "秦山核电320 MW机组实测棒位指示系统光点指示异常分析与改进", 《仪器仪表用户》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979625A (en) * | 2019-03-28 | 2019-07-05 | 江苏核电有限公司 | A kind of test method measuring reactor core multiplication characteristic symmetry |
| CN109979625B (en) * | 2019-03-28 | 2022-02-18 | 江苏核电有限公司 | Test method for measuring symmetry of reactor core proliferation characteristics |
| CN112509718A (en) * | 2020-11-30 | 2021-03-16 | 福建福清核电有限公司 | Gray code processing clamping piece threshold setting device and method for nuclear power station rod position system |
| CN112509718B (en) * | 2020-11-30 | 2023-06-13 | 福建福清核电有限公司 | Gray code processing clamp threshold setting device and method for rod position system of nuclear power station |
| CN114038584A (en) * | 2021-09-26 | 2022-02-11 | 中广核研究院有限公司 | Reactor control system, control rod resetting system and method |
| CN114038584B (en) * | 2021-09-26 | 2024-05-10 | 中广核研究院有限公司 | Reactor control system, control rod resetting system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105551533B (en) | 2018-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101840737B (en) | Digital rod position control system and method | |
| CN202218067U (en) | Automated intelligent information pointing system of electric power system | |
| CN105551533A (en) | Rod position processing device for control rods in reactor | |
| CN105116833B (en) | A kind of EHT supply TT＆C system and method based on dual-computer redundancy strategy | |
| CN103760882A (en) | Complete redundancy testing apparatus control system of direct-current valve cooling unit | |
| CN104966456A (en) | PROFIBUS based fault setting system | |
| CN105974841B (en) | A kind of output control system applied to fail-safe computer | |
| CN104575642A (en) | Control system of nuclear fuel loading and unloading machine | |
| CN105137958A (en) | Railway under-vehicle power supply main control board detection device and detection method | |
| CN205751536U (en) | Reactor control bar position processing means | |
| CN203627413U (en) | Displacement detecting device for walking beam hoisting cylinder | |
| CN204884390U (en) | Trouble sets up system based on PROFIBUS bus | |
| CN109116225A (en) | A kind of circuit breaker multichannel Durable test system | |
| CN107154675B (en) | Single bus communication system and method applied to medium-high voltage SVG | |
| CN102602839A (en) | Control system, winding system and crane | |
| CN202710988U (en) | Microcomputer hydraulic servo controller | |
| CN202257243U (en) | Miniature steamer distributed centralized control system | |
| CN203209442U (en) | Automatic haulage equipment for hot rolling factories | |
| CN113982829A (en) | Wind driven generator lossless yaw control and fault early warning system and method | |
| CN104849658A (en) | Control system of contactor reliability test device | |
| CN105702303A (en) | Reactor control rod motion control device | |
| CN106547282B (en) | A kind of tension force experiment porch | |
| CN107521746A (en) | A kind of bar bundling machine control system based on Profibus-DP | |
| CN202166725U (en) | Low-voltage test control system | |
| CN218938810U (en) | System for realizing distributed control of electromechanical equipment based on wireless communication technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |